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package com.helloworld.service;

import com.helloworld.dao.UserDao;
import com.helloworld.entity.User;

/**
 *
 * @author 123
 */
public interface UserService {
    
    User validateLogin(String username,String password);
    
    
    
    int registerNewUser(User u);
    
    
    
    
    
    
    
}
